NPPES file of Aug 9, 2026

Doctors and health care providers in San Marcos, CA

1,985 individual NPPES records list a practice address in San Marcos, 113th of 812 California cities. The largest group is behavior technician: 553, 28% of the city's records, against 18% across California. Page 30 of 40.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Marcos in California

  • Rank in California113th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups37.8% of all records

Compared with California as a whole, San Marcos has 4.9× the state's share of school counselor records and 0.49× its share of case manager/care coordinator records.

Providers in San Marcos, alphabetically

  1. Rosalia RamosCase Manager/Care Coordinator1497957211
  2. Julia RamziCase Manager/Care Coordinator1912599010
  3. Nathan RandleOrthopedic Physical Therapist1053240309
  4. Sabrina RangelBehavior Technician1508368176
  5. Saloni Rao, D.O.Pediatrics Physician1962609073
  6. Tara Rao, PT, DPTPhysical Therapist1912797358
  7. Jason RappBehavior Analyst1326869389
  8. Marjan Rashedi, DMDPediatric Dentistry1659578953
  9. Erin Rasmussen, OTR/L, CHTOccupational Therapist1508332834
  10. Lucas RayBehavior Technician1720904063
  11. Consuelo Razo, RNRegistered Nurse1063706067
  12. Jodi Rea, RN BSN PHNGeneral Practice Registered Nurse1194327270
  13. Sarah RecceBehavior Technician1730024399
  14. Bethany Reddinger, AMFTMarriage & Family Therapist1972357309
  15. James Redford, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1376959536
  16. Ghazala Rehan, M.DPsychiatry Physician1902073265
  17. Kenneth Rehm, D.P.M.Podiatrist1588607766
  18. Douglas Reich, DCChiropractor1861574394
  19. Jody Reifenberger, PAFamily Health Clinical Nurse Specialist1386741072
  20. Daniel Reinke, MAAddiction (Substance Use Disorder) Counselor1407174113
  21. Jenna ReisBehavior Technician1891508560
  22. Anna RendonBehavior Technician1336844349
  23. Susanne Reno, LMFTMarriage & Family Therapist1821449612
  24. Lorena RenteriaBehavior Technician1104433572
  25. Constantine Reppas, D.M.DDentist1265865570
  26. Mireya ResendezCase Manager/Care Coordinator1346809498
  27. Christina ResendizAdministrator Registered Nurse1982534079
  28. Brene Resendiz BaltazarBehavior Analyst1891343588
  29. Russell Revilla, D.C.Chiropractor1407877517
  30. Jaidee Mae Reyes, OTR/LOccupational Therapist1053876797
  31. Nancy Reyes, CPSS, RAODPeer Specialist1124842067
  32. Ruby ReyesAssistant Behavior Analyst1558862334
  33. Veronica Reyes, MDFamily Medicine Physician1184667842
  34. Vianet ReyesBehavior Technician1861215352
  35. Jacqueline Reyna Magana, B.A. ETHNIC STUDIESClinical Social Worker1669041075
  36. Adrienne ReynoldsBehavior Technician1063249852
  37. Susie ReynosoBehavior Technician1104662212
  38. Racheal Rhoades, MFC43624Marriage & Family Therapist1760515266
  39. Krisinda Richards, ARNPPrimary Care Nurse Practitioner1669914941
  40. Theresa Richards, RNRegistered Nurse1144486820
  41. Zea RichardsonBehavior Technician1760224703
  42. Marlin Dale Richey, CADCII, ICADCAddiction (Substance Use Disorder) Counselor1013685510
  43. Cheryl Ricketts-Mulvey, D.C.Chiropractor1992877153
  44. Jamie RidgewayBehavior Technician1184458812
  45. Deanna RiedeselBehavior Technician1386292274
  46. Electra Riley, PTAPhysical Therapy Assistant1912781352
  47. Margaret Riley-Hagan, M.D.Pediatrics Physician1548352388
  48. Casey Riordan, PT, DPTPhysical Therapist1457115412
  49. Adriana Rios, PPSSchool Counselor1558229625
  50. Faith RisingerBehavior Technician1104783067

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

San Marcos, California appears in the CMS National Plan and Provider Enumeration System with 1,985 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in San Marcos - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a San Marcos practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in San Marcos is weighted toward Behavior Technician (553 clinicians, followed by Marriage & Family Therapist with 101 and Pharmacist with 96). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, San Marcos reports roughly 5.1 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of California's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a San Marcos practice address, a coverage gap San Marcos patients typically fill by traveling to a larger nearby hub.

For San Marcos patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in San Marcos, CA?

There are 1,985 registered healthcare providers in San Marcos, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in San Marcos?

The most common specialties in San Marcos are Behavior Technician, Marriage & Family Therapist, Pharmacist, Physical Therapist, Addiction (Substance Use Disorder) Counselor. Behavior Technician has the most providers with 553.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.